sv2v/test/basic/inside_expr.sv

64 lines
1.9 KiB
Systemverilog

module top;
initial
for (logic [1:0] a = 0; a < 3; a++) begin
if (a inside {2'b01, 2'b00})
$display("fizz");
if (a inside {2'b10})
$display("buzz");
end
initial $display("A", 3'bz11 inside {3'b?01});
initial $display("B", 3'bz11 inside {3'b1?1});
initial $display("C", 3'bz11 inside {3'b011});
initial $display("D", 3'bz11 inside {3'b1?1, 3'b011});
initial $display("E", 3'bz11 inside {3'b?01, 3'b011});
function test1;
input logic [2:0] inp;
return inp inside {3'b1?1};
endfunction
initial begin
// should match
$display("test1: %b %b", 3'b101, test1(3'b101));
$display("test1: %b %b", 3'b111, test1(3'b111));
$display("test1: %b %b", 3'b1x1, test1(3'b1x1));
$display("test1: %b %b", 3'b1z1, test1(3'b1z1));
// shouldn't match
$display("test1: %b %b", 3'b001, test1(3'b001));
$display("test1: %b %b", 3'b011, test1(3'b011));
$display("test1: %b %b", 3'b0x1, test1(3'b0x1));
$display("test1: %b %b", 3'b0z1, test1(3'b0z1));
end
integer arr [] = { 32'd60, 32'd61, 32'd63 };
function test2;
input integer inp;
// TODO: Add support for array value ranges.
test2 = 0;
for (integer i = 0; i < 3; ++i)
if (inp == arr[i])
return 1'b1;
return test2 || inp inside { [16:23], [32:47] };
endfunction
initial begin
for (integer i = 0; i < 64; ++i)
$display("test2(%02d) = %b", i, test2(i));
end
function integer test3;
input integer inp;
case (inp) inside
[16:23]: return 1;
[32:47]: return 2;
default: return 0;
0, [60:61], 4: return 3;
endcase
endfunction
initial begin
for (integer i = 0; i < 64; ++i)
$display("test3(%02d) = %b", i, test3(i));
end
endmodule